Scraper blade



FIG. 1 is a perspective view of the scraper blade, particularly showing the inventive design thereof;

FIG. 2 is a perspective view taken from another angle thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof. 

The ornamental design for a scraper blade, as shown and described. 